"""Магазин: команда и обработка callback-кнопок."""

from __future__ import annotations

import logging

from aiogram import Router
from aiogram.filters import Command
from aiogram.types import CallbackQuery, Message

from bot.keyboards import get_keyboard_donat, get_keyboard_main, get_keyboard_title
from bot.services import access
from bot.services import shop as shop_service
from common.config import get_settings
from common.texts import system
from common.texts.render import render
from common.texts.store import get_text

logger = logging.getLogger(__name__)
router = Router(name="shop")


@router.message(Command("магазин", ignore_case=True))
async def shop_handler(message: Message) -> None:
    if not await access.check_user(message):
        return
    if message.chat.type != "private":
        await message.answer(system.MSG_SHOP_PRIVATE_ONLY)
        return
    await message.answer(await get_text("shop.main"), reply_markup=get_keyboard_main())


async def _render_chapter(chapter: str) -> tuple[str, object] | None:
    if chapter == "main":
        return await get_text("shop.main"), get_keyboard_main()
    if chapter == "title":
        return await get_text("shop.title"), await get_keyboard_title()
    if chapter == "donat":
        return await get_text("shop.donat"), await get_keyboard_donat()
    return None


@router.callback_query()
async def callbacks_handler(callback: CallbackQuery) -> None:
    settings = get_settings()
    if (
        callback.message is not None
        and callback.message.chat.type != "private"
        and callback.message.chat.id != settings.chat_id
    ):
        await callback.answer()
        return

    answer_text = ""
    args = (callback.data or "").split("_")
    action = args[0] if args else ""

    if action == "go" and len(args) > 1:
        chapter = await _render_chapter(args[1])
        if chapter is not None and callback.message is not None:
            text, markup = chapter
            await callback.bot.edit_message_text(
                chat_id=callback.message.chat.id,
                message_id=callback.message.message_id,
                text=text,
                reply_markup=markup,
            )

    elif action == "buy" and len(args) > 2:
        product, id_product = args[1], int(args[2])
        if product == "title":
            ok = await shop_service.buy_title(callback.from_user.id, id_product)
            if not ok:
                answer_text = system.MSG_PURCHASE_FAIL
            elif callback.message is not None:
                await callback.bot.edit_message_text(
                    chat_id=callback.message.chat.id,
                    message_id=callback.message.message_id,
                    text=system.MSG_PURCHASE_OK,
                )
        elif product == "donat":
            promo = await shop_service.buy_donat(callback.from_user.id, id_product)
            if promo is None:
                answer_text = system.MSG_PURCHASE_FAIL
            elif callback.message is not None:
                await callback.bot.edit_message_text(
                    chat_id=callback.message.chat.id,
                    message_id=callback.message.message_id,
                    text=render(system.MSG_DONAT_PROMO, {"promo": promo}),
                    parse_mode="MARKDOWN",
                )

    await callback.answer(answer_text)